to the final harry potter novel which sold 11.5 million copies in 10 days in the united states. we'll see with this book. she kept the details under wraps. she did mention, though, that she might be willing to revisit harry potter in a new book only if she comes up with a fabulous idea. >> maybe mix the two. 50 shades of harry. >> interesting. >> all right. an idea. >> thanks for joining us. have a great evening.